Y Drive Power Line Block Diagram - Pioneer PDP-507XD Service Manual

1
4.14 50 X/Y DRIVE POWER LINE BLOCK DIAGRAM
A
Pre
SUS-G
drive
FET
Pre
SUS-B
drive
FET
B
SUS- Pre
drive
MSK
FET
50Y Sub Drive Assy
Logic
DK Pre
C
Mod. drive
Pre
SUS-G
drive
FET
Pre
SUS-B
drive
FET
SUS-
Pre
drive
MSK
FET
D
Ofset &
N Reset
P Reset
Scan
Logic
Scan IC
E
50 Scan A/B Assy
F
60
1
2
to 50 Address Assy
5.0V
VF2
15V
DC/DC Conv.
5V
5.0V
Reg.IC
VOFS VOFS
DC/DC Conv.
VF1
IC5V
IC5V
DC/DC Conv.
Vprst
VPRST
Reg.
VH
VH
DC/DC Conv.
50Y Main Drive Assy
* VOFS DC/DC converter and VPRST regulator are controled
by electric volume.
VOFS DC/DC converter and VRN DC/DC converter are generated
from 16.5 v, but they do not operate when Vsus is under 100V.
2
3
Pre
SUS-G
drive
FET
Pre
SUS-B
drive
FET
SUS- Pre
drive
MSK
FET
50X Sub Drive Assy
Logic
DK Pre
Mod. drive
Pre
SUS-G
drive
FET
from P Suply
6.5V
Pre
16.5V
SUS-B
drive
FET
VSUS
SUS- Pre
drive
MSK
FET
Reset
50X Main Drive Assy
PDP-507XD
3
4
to 50 Address Assy
5.0V
6.5V from P Suply
5V
5.0V
Reg.IC
16.5V
VSUS
VRN
VOFS
DC/DC Conv.
VF2
15V
VF1
DC/DC Conv.
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